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Guide · Study science

How to Make Flashcards That Actually Work

By Aihan Mifthas, founder of Brainfy · Updated 2026-05-31

A flashcard is only as good as the question on it. The difference between cards that stick and cards that waste your time comes down to a few simple rules — and you can now skip the busywork by generating them from your notes.

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Rule one: one fact per card

The single most important rule is to keep each card atomic — one question, one answer. When a card asks for three things at once, you can half-know it and still rate it correct, so the scheduler never learns what you actually struggle with. Split a fat card into several small ones and each fact gets its own honest test.

Rule two: make the cue do the work

Good versus bad examples

Or auto-generate them

1

Drop in your source

Paste notes, upload a lecture PDF, or snap a photo of a textbook page.

2

AI drafts atomic cards

Brainfy pulls one-fact question-answer pairs from your material rather than inventing facts, so the cards stay grounded in your source.

3

You edit and keep

Skim the draft, fix anything off, and the deck is ready for spaced review.

Hand-writing cards is great practice, but when you have a hundred pages to cover, Brainfy's AI flashcards get you to the recall part faster.

Frequently asked questions

How many facts should one card have?

Exactly one. If you can answer a card while still being fuzzy on part of it, split it into separate cards so each fact is tested on its own.

Should I put images on cards?

Yes, where they help — diagrams, maps, and structures recall better as pictures. Just keep one idea per card.

Is it bad to make cards directly from a textbook?

Copying whole sentences leads to memorising wording, not meaning. Rephrase each point as a question with a short, specific answer.

Can I really trust AI to write my cards?

Use it as a fast first draft. Brainfy grounds cards in the source you give it, but you should still skim and correct before studying.

How many cards should a topic have?

As many small ones as it takes — atomic cards are the goal, not few cards. A dozen tight cards beat three overloaded ones.

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Brainfy is built by Aihan Mifthas · Last updated 2026-05-31. Open Brainfy →